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经营范围
发明名称
ANECHOIC LOUDSPEAKER ENCLOSURE
摘要
申请公布号
ZA7804146(B)
申请公布日期
1979.08.29
申请号
ZA19780004146
申请日期
1978.07.21
申请人
ASHTON A
发明人
ASHTON A
分类号
H04R
主分类号
H04R
代理机构
代理人
主权项
地址
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